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BAEL-4465 (#9954) 

* initial commit

* fixed indent

* removed unused dependencies

* some minor code changes and unit tests

* fixed file names
This commit is contained in:
majajoksovic 2020-09-01 17:23:00 +02:00 committed by GitHub
parent 2dc6089b10
commit 8d2c467e2b
5 changed files with 201 additions and 5 deletions
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17
libraries-security/pom.xml
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@ -14,29 +14,24 @@
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.security.oauth</groupId>
<artifactId>spring-security-oauth2</artifactId>
<version>${spring-boot.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
</dependency>
<dependency>
<groupId>com.github.scribejava</groupId>
<artifactId>scribejava-apis</artifactId>
<version>${scribejava.version}</version>
</dependency>
<dependency>
<groupId>com.google.crypto.tink</groupId>
<artifactId>tink</artifactId>
@ -72,6 +67,16 @@
<artifactId>jasypt</artifactId>
<version>${jasypt.version}</version>
</dependency>
<dependency>
<groupId>com.jcraft</groupId>
<artifactId>jsch</artifactId>
<version>${jsch.version}</version>
</dependency>
<dependency>
<groupId>org.apache.sshd</groupId>
<artifactId>sshd-core</artifactId>
<version>${apache-mina.version}</version>
</dependency>
</dependencies>
<properties>
@ -81,6 +86,8 @@
<cryptacular.version>1.2.2</cryptacular.version>
<jasypt.version>1.9.2</jasypt.version>
<bouncycastle.version>1.58</bouncycastle.version>
<jsch.version>0.1.55</jsch.version>
<apache-mina.version>2.5.1</apache-mina.version>
</properties>
</project>

64
libraries-security/src/main/java/com/baeldung/ssh/apachesshd/SshdDemo.java Normal file
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@ -0,0 +1,64 @@
package com.baeldung.ssh.apachesshd;
import java.io.ByteArrayOutputStream;
import java.io.OutputStream;
import java.util.EnumSet;
import java.util.concurrent.TimeUnit;
import org.apache.sshd.client.SshClient;
import org.apache.sshd.client.channel.ClientChannel;
import org.apache.sshd.client.channel.ClientChannelEvent;
import org.apache.sshd.client.session.ClientSession;
import org.apache.sshd.common.channel.Channel;
public class SshdDemo {
public static void main(String[] args) throws Exception {
String username = "demo";
String password = "password";
String host = "test.rebex.net";
int port = 22;
long defaultTimeoutSeconds = 10l;
String command = "ls\n";
listFolderStructure(username, password, host, port, defaultTimeoutSeconds, command);
}
public static String listFolderStructure(String username, String password, String host, int port, long defaultTimeoutSeconds, String command) throws Exception {
SshClient client = SshClient.setUpDefaultClient();
client.start();
try (ClientSession session = client.connect(username, host, port)
.verify(defaultTimeoutSeconds, TimeUnit.SECONDS)
.getSession()) {
session.addPasswordIdentity(password);
session.auth()
.verify(5L, TimeUnit.SECONDS);
try (ByteArrayOutputStream responseStream = new ByteArrayOutputStream();
ByteArrayOutputStream errorResponseStream = new ByteArrayOutputStream();
ClientChannel channel = session.createChannel(Channel.CHANNEL_SHELL)) {
channel.setOut(responseStream);
channel.setErr(errorResponseStream);
try {
channel.open()
.verify(defaultTimeoutSeconds, TimeUnit.SECONDS);
try (OutputStream pipedIn = channel.getInvertedIn()) {
pipedIn.write(command.getBytes());
pipedIn.flush();
}
channel.waitFor(EnumSet.of(ClientChannelEvent.CLOSED), TimeUnit.SECONDS.toMillis(defaultTimeoutSeconds));
String errorString = new String(errorResponseStream.toByteArray());
if(!errorString.isEmpty()) {
throw new Exception(errorString);
}
String responseString = new String(responseStream.toByteArray());
return responseString;
} finally {
channel.close(false);
}
}
} finally {
client.stop();
}
}
}

52
libraries-security/src/main/java/com/baeldung/ssh/jsch/JschDemo.java Normal file
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@ -0,0 +1,52 @@
package com.baeldung.ssh.jsch;
import java.io.ByteArrayOutputStream;
import com.jcraft.jsch.ChannelExec;
import com.jcraft.jsch.JSch;
import com.jcraft.jsch.Session;
public class JschDemo {
public static void main(String args[]) throws Exception {
String username = "demo";
String password = "password";
String host = "test.rebex.net";
int port = 22;
String command = "ls";
listFolderStructure(username, password, host, port, command);
}
public static String listFolderStructure(String username, String password, String host, int port, String command) throws Exception {
Session session = null;
ChannelExec channel = null;
String response = null;
try {
session = new JSch().getSession(username, host, port);
session.setPassword(password);
session.setConfig("StrictHostKeyChecking", "no");
session.connect();
channel = (ChannelExec) session.openChannel("exec");
channel.setCommand(command);
ByteArrayOutputStream responseStream = new ByteArrayOutputStream();
ByteArrayOutputStream errorResponseStream = new ByteArrayOutputStream();
channel.setOutputStream(responseStream);
channel.setErrStream(errorResponseStream);
channel.connect();
while (channel.isConnected()) {
Thread.sleep(100);
}
String errorResponse = new String(errorResponseStream.toByteArray());
response = new String(responseStream.toByteArray());
if(!errorResponse.isEmpty()) {
throw new Exception(errorResponse);
}
} finally {
if (session != null)
session.disconnect();
if (channel != null)
channel.disconnect();
}
return response;
}
}

38
libraries-security/src/test/java/com/baeldung/ssh/ApacheMinaSshdLiveTest.java Normal file
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@ -0,0 +1,38 @@
package com.baeldung.ssh;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import org.junit.Test;
import com.baeldung.ssh.apachesshd.SshdDemo;
public class ApacheMinaSshdLiveTest {
@Test
public void givenValidCredentials_whenConnectionIsEstablished_thenServerReturnsResponse() throws Exception {
String username = "demo";
String password = "password";
String host = "test.rebex.net";
int port = 22;
long defaultTimeoutSeconds = 10l;
String command = "ls\n";
String responseString = SshdDemo.listFolderStructure(username, password, host, port, defaultTimeoutSeconds, command);
assertNotNull(responseString);
}
@Test(expected = Exception.class)
public void givenInvalidCredentials_whenConnectionAttemptIsMade_thenServerReturnsErrorResponse() throws Exception {
String username = "invalidUsername";
String password = "password";
String host = "test.rebex.net";
int port = 22;
long defaultTimeoutSeconds = 10l;
String command = "ls\n";
String responseString = SshdDemo.listFolderStructure(username, password, host, port, defaultTimeoutSeconds, command);
assertNull(responseString);
}
}

35
libraries-security/src/test/java/com/baeldung/ssh/JSchLiveTest.java Normal file
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@ -0,0 +1,35 @@
package com.baeldung.ssh;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import org.junit.Test;
import com.baeldung.ssh.jsch.JschDemo;
public class JSchLiveTest {
@Test
public void givenValidCredentials_whenConnectionIsEstablished_thenServerReturnsResponse() throws Exception {
String username = "demo";
String password = "password";
String host = "test.rebex.net";
int port = 22;
String command = "ls";
String responseString = JschDemo.listFolderStructure(username, password, host, port, command);
assertNotNull(responseString);
}
@Test(expected = Exception.class)
public void givenInvalidCredentials_whenConnectionAttemptIsMade_thenServerReturnsErrorResponse() throws Exception {
String username = "invalidUsername";
String password = "password";
String host = "test.rebex.net";
int port = 22;
String command = "ls";
String responseString = JschDemo.listFolderStructure(username, password, host, port, command);
assertNull(responseString);
}
}